122040142 has 16 divisors (see below), whose sum is σ = 210862080. Its totient is φ = 51890328.

The previous prime is 122040137. The next prime is 122040157. The reversal of 122040142 is 241040221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32542 + ... + 36097.

It is an arithmetic number, because the mean of its divisors is an integer number (13178880).

Almost surely, 2^122040142 is an apocalyptic number.

122040142 is a deficient number, since it is larger than the sum of its proper divisors (88821938).

122040142 is a wasteful number, since it uses less digits than its factorization.

122040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68775.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122040142 is about 11047.1780106958. The cubic root of 122040142 is about 496.0219569494.

Adding to 122040142 its reverse (241040221), we get a palindrome (363080363).

The spelling of 122040142 in words is "one hundred twenty-two million, forty thousand, one hundred forty-two".